Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- For DTC P0483 is the difference between commanded and actual cooling fan speed is greater than 1,000 RPM for 100 seconds.
- For DTC P0493 the cooling fan RPM is greater than 6,800 RPM.